Friendship (n.) is given us by nature, not to favor vice, but to aid virtue.
Friendship (n.) is infinitely better than kindness.
Friendship (n.) is the only thing in the world concerning the usefulness of which all mankind are agreed.
Friendship (n.) has one true secret: the most complete harmony in tastes, pursuits, and sentiments.
Friendship (n.) of the highest kind is so rare that in all history there are scarcely three or four pairs of friends on record.
Friendship (n.) is the greatest thing in the world, for nothing so fits in with our nature or is so exactly what we want in prosperity or adversity.
Friendship (n.) can only exist between good men.
Friendship (n.) excels kinship in this: you may take affection out of kinship, but not out of friendship — without it kinship still exists in name, friendship does not.
Friendship (n.) concentrates what the human race shares only loosely: its affection is shared by two persons only, or at most by a few.
Friendship (n.) may be defined as a complete accord on all subjects human and divine, joined with mutual goodwill and affection.
Friendship (n.) is, wisdom alone excepted, the best thing the immortal gods have given to man.
Friendship (n.) is everywhere, yet never out of place, never unwelcome; fire and water themselves are not of more universal use.
Friendship (n.) enhances prosperity, and relieves adversity of its burden by halving and sharing it.
Friendship (n.) gives us bright hopes for the future and forbids weakness and despair.
Friendship (n.) makes a man rich through his friend's wealth and strong through his friend's strength.
Friendship (n.) gives a man a second life after his own is finished.
Friendship (n.) is the binding force that keeps whatever is unchangeable in the universe unchanged, as discord is the solvent of all that changes.
Friendship (n.) springs from a natural impulse rather than a wish for help — from an inclination of the heart, not a calculation of advantage.
Friendship (n.) by its nature admits of no feigning, no pretence: as far as it goes it is both genuine and spontaneous.
Friendship (n.) born of want and poverty would have a very base origin, and a pedigree far from noble.